Food Microbiology - Targeted Surveys - Final Report - Bacterial Pathogens in Pre-Prepared, Refrigerated Baked Desserts - April 1, 2016 to March 31, 2018
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A targeted survey on bacterial pathogens in pre-prepared, refrigerated baked desserts analyzed 2,975 samples for generic Escherichia coli (E. coli), Bacillus cereus (B. cereus), Clostridium perfringens (C. perfringens), Staphylococcus aureus (S. aureus), Listeria monocytogenes (L. monocytogenes) and Salmonella species (spp.). No C. perfringens and Salmonella spp. were found in any of the samples. Elevated levels of B. cereus were found in 3 samples. Elevated levels of S. aureus were found in 1 sample and L. monocytogenes was found in 1 sample. Generic E. coli was found in 12 samples. CFIA conducted appropriate follow-up activities such as facility inspections. No illnesses were reported in association with any of the positive samples.
Food Microbiology - Targeted Surveys - Final Report - Bacterial Pathogens in Seed Powder and Plant-Based Protein Powder - April 1, 2016 to March 31, 2018
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A targeted survey on bacterial pathogens in seed powder and plant-based protein powder analyzed 583 samples of seed powder and 245 samples of plant-based protein powder for generic Escherichia coli (E. coli), Salmonella species (spp.), B. cereus, Clostridium perfringens (C. perfringens) and Staphylococcus aureus (S. aureus). No Salmonella spp. and S. aureus were found in any of the samples. B. cereus was found in 3 of the seed powder samples and 10 of the plant-based protein powder. C. perfringens was found in 2 of the plant-based protein powder samples and a high level of generic E. coli was found in 1 seed powder sample. The CFIA conducted appropriate follow-up activities such as facility inspections and additional sampling.
Food Microbiology - Targeted Surveys - Final Report - Bacterial Pathogens in Raw Milk Cheese - November 30, 2014 to March 31, 2018
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A targeted survey on bacterial pathogens in raw milk cheese analyzed 2,009 samples for Escherichia coli (E. coli) O157. Of the 2,009 samples, 1,723 samples were tested for generic E. coli, Salmonella species (spp.), Staphylococcus aureus (S. aureus) and Listeria monocytogenes (L. monocytogenes). No Salmonella spp., E. coli O157 or generic E. coli were found in any of the samples. S. aureus was found in 6 samples and L. monocytogenes was found in 2 samples. The CFIA conducted appropriate follow-up activities which resulted in recalls.
Food Microbiology - Targeted Survey - Scientific Publication - Prevalence of Shiga Toxin-Producing Escherichia coli (STEC) and Risk Characterization Based on Virulence Genes in Retail Raw Ground Meat of Beef, Veal, and Lamb in Canada - 2016 to 2021
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Between 2016 and 2021, 2398 samples of raw ground beef, veal and lamb were collected at retail stores across Canada. Samples were tested for STEC O157 and non-O157 STEC. STEC O157 and non-O157 STEC were found in 0.1% (3/2398) and 6.0% (145/2398) of the ground meat samples respectively. The prevalence of STEC O157 in Canadian retail raw ground meat is low, similar to ground beef produced from processing facilities. All STEC virulence gene profiles were assessed using criteria of the FAO/WHO risk categories and the majority of the STEC strains were classified as belonging to risk level 5 which is the lowest risk level. This study indicates that the current food safety control measures implemented for ground meats in Canada are effective at maintaining an acceptable level of possible contamination with STEC strains associated with severe clinical outcomes.